Sino Inst ZDJ-4B is a high-precision automatic potentiometric titrator in the laboratory, equipped with a microprocessor control system, supporting five titration types: acid-base, redox, chelation, precipitation, and non-aqueous. It integrates professional functions such as multi endpoint recognition, real-time display of titration curves, and GLP standard data storage. The integrated corrosion-resistant liquid circuit design of the equipment is equipped with USB and RS232 dual communication interfaces, which can be connected to computer software and support firmware upgrades and automatic sampler expansion. It is widely used in the fields of medicine, chemical engineering, environment, food, third-party testing, and university research to complete accurate quantitative analysis of various samples.
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Portable Digestion Device characteristics
Core Technical Parameters
| Item | Parameter |
|---|---|
| Measuring Range | pH: 0.00~14.00; mV: -1800.0~1800.0; Temp: -5.0~105.0℃ |
| Resolution | pH: 0.01pH; mV: 0.1mV; Temp: 0.1℃ |
| Basic Electronic Error | pH: ±0.01pH±1 digit; mV: ±0.05%FS; Temp: ±0.3℃ |
| Burette Volume Tolerance | 10mL: ±0.025mL; 20mL: ±0.035mL |
| Titration Repeatability | 0.2% |
| Potential Stability | ±0.3mV / 3h |
| Data Storage | 200 groups of titration results, 1 set of titration curve |
| Power Supply | AC 220±22V, 50Hz |
| Operating Environment | 0~40℃, Humidity ≤85%, no strong electromagnetic interference |
| Overall Dimension | 340×400×400 mm |
| Net Weight | Approx. 8kg |
| Instrument Grade | 0.05 grade for potentiometric titration |
Supported Types of Titration & Test Items
- Acid-base Titration Water pH Food Acidity Chemical Acid Value
- Redox titration COD match test Ferrous ion Oxidant content
- Complexometric titration : Metal ions, Total hardness of water
- Precipitation Titration: Chloride ion, halide, salinity,
- API and organic chemical content test (non-aqueous titration)
Featured Applications
- Environmental monitoring stations: Quantitative study of hardness, chloride and pH of water.
- Chemical & metallurgy labs: Testing of raw material, intermediate and wastewater.
- Pharmaceutical and drug inspection: Determination of the content of raw material and processing according to the pharmacopoeia.
- Food factories: Quantitative determination of salt, additive, acidity.
- Third party testing organisations. Sample testing with written reports you can trace.
- Universities and research centres. Chemical research and analysis experiments.
- Water treatment plants: Routine water quality titration for process control.
Standard Configuration
Main unit, 10mL burette valve assembly, pH electrode, reference electrode, platinum electrode, silver electrode, temperature electrode, electrode stand, beaker, stirring beads, tubes, USB cable, power cord, pH buffer reagents, spare fuses, matching titration software, user manual, certificate.
Technical Support
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The Sino Inst ZDJ-4B automatic potentiometric titrator relies on mature potentiometric titration technology, balancing high precision, full automation, and GLP standardized data management, covering a full range of titration experiments. The equipment’s liquid circuit is corrosion-resistant, intuitive to operate, and equipped with professional functions such as computer networking and multi endpoint recognition. It is the preferred equipment for quantitative analysis in high standard laboratories such as pharmaceuticals, environment, chemical engineering, food, and scientific research.
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